TWI786083B - 陣列麥克風模組及系統 - Google Patents

陣列麥克風模組及系統 Download PDF

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Publication number
TWI786083B
TWI786083B TW107102979A TW107102979A TWI786083B TW I786083 B TWI786083 B TW I786083B TW 107102979 A TW107102979 A TW 107102979A TW 107102979 A TW107102979 A TW 107102979A TW I786083 B TWI786083 B TW I786083B
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TW
Taiwan
Prior art keywords
microphone
module
microphones
array
audio
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TW107102979A
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English (en)
Chinese (zh)
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TW201832570A (zh
Inventor
柴可利 巴納特
布蘭特 羅伯特 舒馬德
大衛 葛蘭特 卡森
安德瑞 艾需
喬丹 舒茲
馬修 T 亞伯拉罕
阿維奈許 K 維迪亞
Original Assignee
美商舒爾獲得控股公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/509—Microphone arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003—Digital PA systems using, e.g. LAN or internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
TW107102979A 2017-01-27 2018-01-26 陣列麥克風模組及系統 TWI786083B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762451480P 2017-01-27 2017-01-27
US62/451,480 2017-01-27

Publications (2)

Publication Number Publication Date
TW201832570A TW201832570A (zh) 2018-09-01
TWI786083B true TWI786083B (zh) 2022-12-11

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TW107102979A TWI786083B (zh) 2017-01-27 2018-01-26 陣列麥克風模組及系統

Country Status (7)

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US (4) US10440469B2 (ja)
EP (1) EP3574659A1 (ja)
JP (1) JP7051876B6 (ja)
KR (1) KR102377356B1 (ja)
CN (1) CN110447238B (ja)
TW (1) TWI786083B (ja)
WO (1) WO2018140618A1 (ja)

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Publication number Publication date
KR102377356B1 (ko) 2022-03-21
EP3574659A1 (en) 2019-12-04
CN110447238B (zh) 2021-12-03
US10440469B2 (en) 2019-10-08
US20180227666A1 (en) 2018-08-09
JP7051876B6 (ja) 2023-08-18
WO2018140618A1 (en) 2018-08-02
JP7051876B2 (ja) 2022-04-11
US20200037068A1 (en) 2020-01-30
KR20190107717A (ko) 2019-09-20
US10959017B2 (en) 2021-03-23
US20220014847A1 (en) 2022-01-13
CN110447238A (zh) 2019-11-12
US11647328B2 (en) 2023-05-09
US20230300523A1 (en) 2023-09-21
JP2020505862A (ja) 2020-02-20
TW201832570A (zh) 2018-09-01

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